ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci1: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.3:19126 blocked for more than 140 seconds. Not tainted 4.19.186-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28864 19126 8100 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:748 [inline] vfs_setxattr+0xc7/0x270 fs/xattr.c:254 setxattr+0x23d/0x330 fs/xattr.c:520 path_setxattr+0x170/0x190 fs/xattr.c:539 __do_sys_setxattr fs/xattr.c:554 [inline] __se_sys_setxattr fs/xattr.c:550 [inline] __x64_sys_setxattr+0xc0/0x160 fs/xattr.c:550 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 Code: Bad RIP value. RSP: 002b:00007f12d328a188 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000466459 RDX: 00000000200004c0 RSI: 0000000020000480 RDI: 0000000020000440 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000004e R11: 0000000000000246 R12: 000000000056c008 R13: 00007ffc05049cef R14: 00007f12d328a300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000003e782c7d (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4440 2 locks held by syz-executor.3/19106: #0: 00000000793c28aa (sb_writers#21){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000793c28aa (sb_writers#21){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000312d426d (&sb->s_type->i_mutex_key#27){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000312d426d (&sb->s_type->i_mutex_key#27){+.+.}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:254 2 locks held by syz-executor.3/19126: #0: 00000000793c28aa (sb_writers#21){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000793c28aa (sb_writers#21){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000312d426d (&sb->s_type->i_mutex_key#27){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000312d426d (&sb->s_type->i_mutex_key#27){+.+.}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:254 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.186-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7794 Comm: rs:main Q:Reg Not tainted 4.19.186-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lookup_bh_lru fs/buffer.c:1264 [inline] RIP: 0010:__find_get_block+0x122/0xde0 fs/buffer.c:1291 Code: 74 bf e8 51 19 b2 ff 49 8d 7f 18 48 b9 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 80 3c 08 00 0f 85 0a 0b 00 00 4d 8b 77 18 <4c> 89 ef 4c 89 f6 e8 33 1a b2 ff 4d 39 f5 75 87 e8 19 19 b2 ff 49 RSP: 0018:ffff8880a31c7790 EFLAGS: 00000046 RAX: 1ffff11012b40aea RBX: 0000000000000001 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffffff81b0446f RDI: ffff888095a05750 RBP: 0000000000000001 R08: 0000000000000222 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffff888095a05738 R13: 0000000000000384 R14: 0000000000000384 R15: ffff888095a05738 FS: 00007ff6567ee700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6e414a2010 CR3: 00000000aa2a4000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __getblk_gfp+0x28/0x70 fs/buffer.c:1317 sb_getblk include/linux/buffer_head.h:333 [inline] __ext4_get_inode_loc+0x351/0x10f0 fs/ext4/inode.c:4621 ext4_get_inode_loc fs/ext4/inode.c:4734 [inline] ext4_reserve_inode_write+0xeb/0x260 fs/ext4/inode.c:5938 ext4_mark_inode_dirty+0x160/0x870 fs/ext4/inode.c:6105 ext4_dirty_inode+0x88/0xb0 fs/ext4/inode.c:6144 __mark_inode_dirty+0x16b/0x1260 fs/fs-writeback.c:2181 generic_update_time+0x21c/0x370 fs/inode.c:1659 update_time fs/inode.c:1675 [inline] file_update_time+0x316/0x500 fs/inode.c:1890 __generic_file_write_iter+0x1bc/0x610 mm/filemap.c:3245 ext4_file_write_iter+0x2fe/0xf20 fs/ext4/file.c:272 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff6592321cd Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ff6567ed590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ff64800bf40 RCX: 00007ff6592321cd RDX: 0000000000000456 RSI: 00007ff64800bf40 RDI: 0000000000000009 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff64800bcc0 R13: 00007ff6567ed5b0 R14: 000055a42b05c440 R15: 0000000000000456